Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)

Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)

Hadoop Interview Questions

Questions Answers Views Company eMail

Clarify how job tracker schedules an assignment?

419

What jobtracker is in hadoop? What are the activities followed by hadoop?

424

Clarify how ordering in hdfs is finished?

496

What a task tracker is in hadoop?

435

What webdav is in hadoop?

437

Specify what the information segments utilized by hadoop are?

438

Clarify what is sqoop in hadoop?

419

What is the man difference between hbase and hive?

669

Say what the views are in hive?

672

Specify the partitions in hive?

660

How can a developer utilize hive?

679

List down the segments of a hive question processor?

641

Specify the different methods of hive?

723

What does meta-store means in hive?

712

What do you understand by hive?

681

Un-Answered Questions { Hadoop }

What do you mean by tunable consistency?

What is the ZooKeeper ensemble?

How the Client communicates with HDFS?

1063

What is Data Locality in Hadoop?

669

What are the common mistakes developers make when running Spark applications?

284

How does lazy evaluation work in spark?

287

What is available mechanism for connecting from applications, when we run hive as a server?

769

Can hbase run without hadoop?

743

How many types of nosql databases?

How will format the HDFS ?

1061

Explain map-only job?

526

How to set the number of reducers?

1362

What is the default extension of the files produced from a sqoop import using the –compress parameter?

What is hdfs spark?

285

What is Rack Awareness? What is its need in Hadoop?

532

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